Twomlown.图姆洛
twonum.二;两个
two coats of gloss两层亮光漆
two-cycle engine二周期发动机
two kinds of error两类错误
two-tone channel双音通路
two - pack paint双组分涂料
two lens objective双透镜物镜
two-lane highway双车道公路
two-way leveling纵横向调平
two-valued logic二值逻辑
two step sintering二次烧结